MC Python rewrites data member __privateData in a class named PrivateClass to______ .
a) private_privateData_.
b) _private__privateData.
c) __PrivateClass__privateData.
d) None of the above.
c) __PrivateClass__privateData.
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Each event has an associated event ____ that specifies how an object responds when the event occurs.
A. queue B. focus C. property D. statement
Answer the following statements true (T) or false (F)
1. Symmetric encryption remains by far the most widely used of the two types of encryption. 2. Rotor machines are sophisticated precomputer hardware devices that use substitution techniques. 3. Symmetric encryption is a form of cryptosystem in which encryption and decryption are performed using different keys. It is also known as non-conventional encryption. 4. With the use of symmetric encryption, the principal security problem is maintaining the secrecy of the key. 5. The process of converting from plaintext to ciphertext is known as deciphering or decryption.
Given the algebraic equation y = ax 3 + 7, which of the following, if any, are correct C++ statements for this equation?
a) y = a * x * x * x + 7; b) y = a * x * x * ( x + 7 ); c) y = ( a * x ) * x * ( x + 7 ); d) y = (a * x) * x * x + 7; e) y = a * ( x * x * x ) + 7; f) y = a * x * ( x * x + 7 );
(Enhancing Class Date) Modify the Date class of Figs. 9.22–9.23 to perform error checking on the initializer values for data members month, day and year. Also, provide a member function nextDay to increment the day by one. The Date object should always remain in a consistent state. Write a program that tests function nextDay in a loop that prints the date during each iteration to illustrate
that nextDay works correctly. Be sure to test the following cases: a) Incrementing into the next month. b) Incrementing into the next year.